﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace HelloWPF.DependencyAttachedProperty
{
    /// <summary>
    /// 设置年级
    /// 把人放入学校中就有了年级，班级属性
    /// </summary>
    public class Human: DependencyObject
    {

    }
}
